Numbers beginning with 615-758

Mt. Juliet, a city located in western Wilson County, Tennessee. A suburb of Nashville, it is approximately 17 miles (27 km) east of downtown Nashville. Mt. Juliet is located roughly between two major national east-west routes, Interstate 40 and U.S. Route 70. As of the 2010 census, the city had a total population of 23,777, which represented a 91 percent increase over 2000. The city's official colors are the same as the town's high school: black and gold. source

Area codes 615 and 629 are area codes in Tennessee serving Nashville (Davidson County) and the 12 surrounding counties. 615 is the main area code, while 629 is an overlay covering the same area that will begin service in 2014. Besides Nashville, Murfreesboro, Franklin, Hendersonville, and Lebanon are other major cities in the 615/629 service territory. source